Stocks/Funds/CIK 1911322

Byrne Asset Management LLC

index-like (500+ pos)long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1911322
Assets
$169M
+26.3% YoY
Holdings
563
Lifetime alpha vs market
-1.19% annual
Average hold time
2.8 yr
median 2.8 yr

Quarterly history

Cum return +38% vs S&P +45% · α -7% lifetimeAUM $169M · peak $179MFlow $-4M (-2%)2021-122022-092023-062024-032024-122025-092026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-2.92%
trims when stocks drop
when a holding falls −10%+
Middle response
-2.98%
baseline attrition
Rally response
-2.30%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
$9M5.3%2.8 yr
AAPLApple Inc.$7M4.4%+14.7%4.5 yr
MSFTMicrosoft Corporation$7M4.4%-0.6%4.5 yr
NVDANVIDIA Corporation$6M3.7%+60.9%4.5 yr
AMZNAmazon.com, Inc.$5M3.0%+9.5%4.5 yr
JNJJohnson & Johnson$5M2.7%+51.5%4.5 yr
JPMJPMorgan Chase & Co.$3M1.7%+21.8%4.5 yr
$3M1.6%2.8 yr
GLWCorning Incorporated$3M1.6%+201.5%4.5 yr
CATCaterpillar Inc.$3M1.6%+117.8%4.5 yr
METAMeta Platforms, Inc.$2M1.4%-0.4%4.5 yr
VVisa Inc.$2M1.4%-13.1%4.5 yr
AMDAdvanced Micro Devices, $2M1.4%+98.0%4.5 yr
AMATApplied Materials, Inc.$2M1.3%+137.6%4.3 yr
TOLToll Brothers, Inc.$2M1.3%+30.1%4.5 yr

Portfolio composition (YoY)

Industry mix
Unknown14.7%+1.1pp$25M
Semiconductors9.1%+2.6pp$15M
Asset Management7.4%+3.3pp$13M
Software - Infrastructure5.3%-1.3pp$9M
Asset Management - Income5.0%+4.9pp$8M
Consumer Electronics4.4%-0.6pp$7M
Drug Manufacturers - General4.4%+0.1pp$7M
Specialty Retail3.8%-1.1pp$6M
Financial - Credit Services2.9%-1.7pp$5M
Agricultural - Machinery2.4%+0.6pp$4M
Country
US81.3%-0.4pp
Unknown14.7%+1.1pp
NL0.8%+0.4pp
TW0.8%+0.2pp
IE0.7%-0.2pp
CA0.6%-0.3pp
CN0.6%-0.2pp
GB0.2%-0.3pp
Top 5: 20.9% · Top 10: 30.0% · Top 25: 47.1%

Winners

TickerPrev $PnLYoY %
NVDA$3M+0.00B60.9%
GLW$1M+0.00B201.5%
AMAT$1M+0.00B137.6%
JNJ$3M+0.00B51.5%
CAT$1M+0.00B117.8%

Losers

TickerPrev $PnLYoY %
V$3M-0.00B-13.1%
MSFT$8M-0.00B-0.6%
META$3M-0.00B-0.4%
IBM$2M-0.00B-0.1%

Top buys this quarter · 15

CVX Chevron Corporation+$1M
EPAM EPAM Systems, Inc.+$1M
DG Dollar General Corporation+$1M
ORCL Oracle Corporation+$0M
WFC Wells Fargo & Company+$0M
ADSK Autodesk, Inc.+$0M
ASML ASML Holding N.V.+$0M
NVDA NVIDIA Corporation+$6M
ALCO Alico, Inc.new+$0M
CVCO Cavco Industries, Inc.new+$0M

Top sells this quarter · 15

AMAT Applied Materials, Inc.$1M
IQV IQVIA Holdings Inc.$1M
CRM Salesforce, Inc.$1M
HD The Home Depot, Inc.$1M
CSIQ Canadian Solar Inc.$0M
AAPL Apple Inc.$0M
SSNC SS&C Technologies Holdings, In$0M
GPC Genuine Parts Company$0M
FSLY Fastly, Inc.exit$0M
LULU Lululemon Athletica Inc.$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$169M563+18.59%+17.59%+1.00%-0.00B
2025-12-31$179M560+19.06%+17.72%+1.34%+0.01B
2025-09-30$161M558+15.41%+17.52%-2.11%-0.00B
2025-06-30$149M538+14.36%+14.94%-0.59%+0.00B
2025-03-31$134M555+2.56%+8.30%-5.75%-0.00B
2024-12-31$141M531+15.87%+24.89%-9.02%-0.01B
2024-09-30$147M533+30.80%+36.04%-5.23%-0.00B
2024-06-30$140M531+16.68%+24.49%-7.81%-0.00B
2024-03-31$144M527+26.52%+29.62%-3.11%+0.00B
2023-12-31$131M539+23.08%+26.18%-3.10%-0.00B
2023-09-30$121M525+18.42%+21.57%-3.15%-0.00B
2023-06-30$130M529+16.87%+19.42%-2.56%+0.00B
2023-03-31$119M550-8.21%-7.82%-0.39%-0.01B
2022-12-31$117M477-15.81%-18.17%+2.37%-0.01B
2022-09-30$115M473-5.88%-4.93%-0.95%-0.01B
2022-06-30$130M496-15.52%-16.11%+0.59%-0.00B